I just learned this today. the answer is Pangea.245 million years ago.
Answer: between 2600 and 2400 B.C.
Explanation: The pyramids of Egypt are one of the greatest feats of engineering in the ancient world because of the technique used in its construction. They were constructed between 2600 and 2400 B.C. They were mainly built as tombs for Egyptian pharaohs and their consorts during the Old and Middle Kingdom periods. The pyramids are one of the oldest ancient structures still standing today.
Incorrect - it should be “We heard that Dr. Palmer was the only physician to receive the Nobel Prize.”